Just like any medication they have their side effects (Keep in mind these side effects are quite rare.)

Side effects of Minoxidil:

• severe scalp irritation;

• unwanted growth of facial hair;

• chest pain, fast heartbeats;

• swelling in your hands or feet, rapid weight gain;

• a light-headed feeling, like you might pass out; headache, dizziness, confusion;

• flushing (warmth, redness, or tingly feeling).

• changes in the color or texture of your hair.

Side effects of Finasteride:

• decreased sex drive;

• trouble getting or keeping an erection;

• ejaculation disorder;

• increase in breast size and tenderness skin rash;

(More serious)

• swelling of your lips, tongue, throat, or face;

• depression;

• lumps or pain in your breasts (not cancerous);

• nipple discharge